Ip Dhcp Snooping Limit Rate - Cisco Catalyst 4500 Series Command Reference Manual

ip dhcp snooping limit rate

ip dhcp snooping limit rate
To configure the number of the DHCP messages that an interface can receive per second, use the ip dhcp
snooping limit rate command. To disable the DHCP snooping rate limiting, use the no form of this
command.
Syntax Description
rate
Defaults
DHCP snooping rate limiting is disabled.
Command Modes Interface configuration mode
Command History Release
12.1(12c)EW
Usage Guidelines Typically, the rate limit applies to the untrusted interfaces. If you want to set up rate limiting for the
trusted interfaces, note that the trusted interfaces aggregate all DHCP traffic in the switch, and you will
need to adjust the rate limit of the interfaces to a higher value.
Examples
This example shows how to enable the DHCP message rate limiting:
Switch(config-if)# ip dhcp snooping limit rate 150
Switch(config)#
This example shows how to disable the DHCP message rate limiting:
Switch(config-if)# no ip dhcp snooping limit rate
Switch(config)#
Related Commands Command
ip dhcp snooping
ip dhcp snooping information option
ip dhcp snooping trust
ip dhcp snooping vlan
show ip dhcp snooping
show ip dhcp snooping binding
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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ip dhcp snooping limit rate rate
no ip dhcp snooping limit rate
Number of DHCP messages a switch can receive per second.
Modification
Support for this command was introduced on the Catalyst 4500 series switch.
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
Description
Globally enables DHCP snooping.
Enables DHCP option 82 data insertion.
Enables DHCP snooping on a trusted VLAN.
Enables DHCP snooping on a VLAN or a group of VLANs.
Displays the DHCP snooping configuration.
Displays the DHCP snooping binding entries.
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